pair,contact1,contact2,flow1,flow2 3s1r_L_,1,13,1,1 3s1r_L_,5,14,1,1 3s1r_L_,6,33,1,1 3s1r_L_,7,12,1,1 3s1r_L_,10,12,1,1 3s1r_L_,17,19,1,1 3s1r_L_,17,20,1,1 3s1r_L_,19,20,1,1 3s1r_L_,23,28,1,1 3s1r_L_,24,29,1,1